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'''addrxlat
'''
from _addrxlat import ffi, lib as C
from .constants import *
from .exceptions import *
from .objects import *
from . import utils
###
### Version codes
###
def VER_LINUX(a, b, c):
'''VER_LINUX(a, b, c) -> version code
Calculate the Linux kernel version code.'''
return C.ADDRXLAT_VER_LINUX(a, b, c)
def VER_XEN(major, minor):
'''VER_XEN(major, minor) -> version code
Calculate the Xen hypervisor version code.'''
return C.ADDRXLAT_VER_XEN(major, minor)
###
### Other static functions
###
def addrspace_name(addrspace):
'''addrspace_name(addrspace) -> name
Return the name of an address space constant.'''
return utils.to_unicode(ffi.string(C.addrxlat_addrspace_name(addrspace)))
def CAPS(addrspace):
'''CAPS(addrspace) -> capability bitmask
Translate an address space constant into a capability bitmask.'''
return C.ADDRXLAT_CAPS(addrspace)
def pte_format_name(fmt):
'''pte_format_name(fmt) -> name
Return the name of a PTE format constant.'''
return utils.to_unicode(ffi.string(C.addrxlat_pte_format_name(fmt)))
def pte_format(name):
'''pte_format(name) -> fmt
Return the PTE format constant by name.'''
return C.addrxlat_pte_format(utils.to_bytes(name))
def pteval_shift(fmt):
'''pteval_shift(fmt) -> bit shift
Get the pteval shift for a PTE format.
See PTE_xxx for valid values of fmt.'''
return C.addrxlat_pteval_shift(fmt)
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